Pipe joints or couplings – Ball and socket – Oscillative
Reexamination Certificate
2006-05-09
2006-05-09
Hewitt, James M. (Department: 3679)
Pipe joints or couplings
Ball and socket
Oscillative
C285S145500, C285S264000, C285S226000
Reexamination Certificate
active
07040666
ABSTRACT:
A gimballed joint includes an annular bellows seal circumscribed about a joint centerline mounted within forward and aft shrouds having clevises with lugs and a threaded hole disposed through each of lugs. A ring circumscribed about the lugs has counterbored holes. Each of the counterbored holes is aligned with one of the threaded holes. Pins having heads and shanks extending inwardly therefrom are disposed through and the heads engage the counterbored holes. Externally threaded portions of the shanks are threaded into internally threaded holes in the each of the lugs. A key is disposed through a key hole extending inwardly through each of the heads and through threaded together portions of external threads of each of the externally threaded portions and internal threads of each of the internally threaded holes. In one embodiment wear bushings are disposed in the counterbored holes between the heads and the ring.
REFERENCES:
patent: 3219365 (1965-11-01), Webb
patent: 3663044 (1972-05-01), Contreras et al.
patent: 3915482 (1975-10-01), Fletcher et al.
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patent: 4643463 (1987-02-01), Halling et al.
patent: 4645244 (1987-02-01), Curtis
patent: 5280968 (1994-01-01), Moore et al.
patent: 5286071 (1994-02-01), Storage
Christianson Eric Jon
Damele Anthony Fredric
Hill John Samuel
Andes William Scott
General Electric Company
Hewitt James M.
Rosen Steven J.
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